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CC2640R2F的蓝牙5协议栈支持蓝牙4.2和4.0吗?

您好,请问一下,我有一个蓝牙设备作为从机,目前用的协议栈是蓝牙5的,请问这个设备能够正常和蓝牙4.2和蓝牙4.0的通讯吗,需要修改什么吗?